Drug interactions
Atenolol + Spironolactone
Severity: Minor
Atenolol and Spironolactone: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Beta-blockers can modestly raise serum potassium by impairing cellular potassium uptake, and spironolactone retains potassium. The combination is common and usually well tolerated, but hyperkalemia can occur in patients with renal impairment or diabetes.
What this interaction means in plain words
Atenolol and Spironolactone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Atenolol belongs to Cardiovascular; Spironolactone belongs to Cardiovascular.
Why it happens
Spironolactone blocks aldosterone-mediated potassium excretion while beta-blockade reduces beta2-mediated cellular potassium uptake.
What to do
Monitor serum potassium periodically, more often with renal impairment or other potassium-raising drugs. No routine dose change is needed.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Spironolactone
- Amiloride + Spironolactone Contraindicated
- Eplerenone + Spironolactone Contraindicated
- Spironolactone + Triamterene Contraindicated
- Abiraterone + Spironolactone Major
- Aceclofenac + Spironolactone Major
- Acemetacin + Spironolactone Major
Other interactions of Atenolol
- Amifostine + Atenolol Major
- Amiodarone + Atenolol Major
- Atenolol + Atenolol-chlorthalidone Major
- Atenolol + Betaxolol Major
- Atenolol + Bisoprolol Major
- Atenolol + Carvedilol Major
Frequently asked questions
Can I take Atenolol with Spironolactone?
MediHelp rates the interaction as minor. Atenolol and Spironolactone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Beta-blockers can modestly raise serum potassium by impairing cellular potassium uptake, and spironolactone retains potassium. The combination is common and usually well tolerated, but hyperkalemia can occur in patients with renal impairment or diabetes.
How serious is the interaction between Atenolol and Spironolactone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium periodically, more often with renal impairment or other potassium-raising drugs. No routine dose change is needed.
What other medicines interact with Spironolactone?
MediHelp also lists interactions of Spironolactone with, for example, Amiloride, Eplerenone, Triamterene. The full list is on the Spironolactone page.
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